OK, this is beyond me. Ever since installing Windows 10 Creators Update all of the following happens after rebooting the machine:I can't launch OpenGl games. Planetary Annihilation gives me an error that my graphics driver is missing Open Gl features. Unigine demo/bench in Open GL mode gives e similar error.I can't open Nvidia control panel. I just doesn't launch, no error.Photoshop CCcan't see my video card and GPU acceleration option is grayed out.I have to reinstall Nvidia drivers each time this happens. Then all is fine until I reboot the machine. And it doesn't even happen after every reboot. I have no idea what triggers this. But it's getting to be very irritating.There are some errors and warnings in the event viewer but nothing that seems remotely related to video drivers.Any Suggestion Would be appreciate.